If you want to add command window tile to the start screen, here is how you can do this.
- Open the folder c:\windows\system32 in explorer.
- Locate the file cmd.exe
- Right click and select ‘Pin to Start‘
- That’s all. Now click Windows key, you can see a new tile added at the last.
- You can drag and drop this tile wherever you want it to be in the start metro menu.
It looks like this after adding the command window tile.